Scraffito is a plaster and painting technique. think using the opposite end of your paint brush and scratching into the wet paint to reveal color or "something" underneath the surface color.
Check out this web site https://www.thoughtco.com/painting-techniques-sgraffito-2578767
below you'll see some painting where the great French artist Henri Matisse used the technique a lot to produce patterns of which he was completely absorbed. Narrow pencil like marks can be made or wide marks can be obtained using a popsicle stick and carving the end to the desired width.
Check out this web site
https://www.thoughtco.com/painting-techniques-sgraffito-2578767
below you'll see some painting where the great French artist Henri Matisse used the technique a lot to produce patterns of which he was completely absorbed. Narrow pencil like marks can be made or wide marks can be obtained using a popsicle stick and carving the end to the desired width.
this is what scraffito looks like.
Henri Matisse
Purple Robe
Woman In A Purple Coat
Odalisque In a Purple Robe
Odalisque in Blue Harmony
Lydia
Portrait of a Girl
Portrait of a Woman